package controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import util.Page;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")
public class AsyncUserController {
    @Autowired
    private UserService userService;

    @RequestMapping("/tolist")
    public String toList(){
        return "asyncuser/list";
    }

    @RequestMapping("/list/{currentPage}")
    @ResponseBody
    public String list(User user, @PathVariable("currentPage") Integer currentPage, Model model){
        //查询数据
        Page page=new Page();
        int totalCount=userService.count(user);
        page.setTotalCount(totalCount);
        page.setCurrentPage(currentPage);
        page.setTotalPage();
        // 计算偏移量
        int offset=(currentPage-1)*page.getPageSize();
        List<User> users=userService.findAll(user,offset,page.getPageSize());
        //数据返回
        model.addAttribute("users",users);
        model.addAttribute("page",page);
        model.addAttribute("user",user);
        return "user/list";
    }
    @RequestMapping("/toadd")
    public String toAdd(){
        return "user/add";
    }
    @RequestMapping("/addSave")
    public String addSave(User user){
        int result = userService.addUser(user);
        if (result>0){
            return "redirect:/user/list/1";
        }else {
            return "user/add";
        }
    }
    @RequestMapping("/delete/{id}")
    public String deleteById(@PathVariable("id") Integer id){
        int result=userService.deleteUserById(id);

        return result>0 ? "redirect:/user/list/1" : "error";

    }
    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") Integer id,Model model){
        User user = userService.findById(id);
        model.addAttribute("user",user);
        return "user/update";
    }
    @RequestMapping("/updateSave")
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if (result>0){
            return "redirect:/user/list/1";
        }else {
            return "user/update";
        }
    }

}
